Fixes: https://github.com/gitcoinco/web/issues/5291

[ong-yy]

Description

Refs: #5310
Due to accidentally close previous PR after messing up the log.
This is same PR as #5310

The avatar is now rounded and use all existing styling.

Refers/Fixes

This PR is to fix Issue #5291

Testing

[codecov]

Codecov Report

Merging #5351 into master will increase coverage by 1.65%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5351      +/-   ##
==========================================
+ Coverage    29.8%   31.45%   +1.65%     
==========================================
  Files         236      236              
  Lines       19891    21635    +1744     
  Branches     2840     3502     +662     
==========================================
+ Hits         5929     6806     +877     
- Misses      13721    14527     +806     
- Partials      241      302      +61

Impacted Files	Coverage Δ
app/app/context.py	47.45% <0%> (-0.7%)	⬇️
...rketing/management/commands/no_applicants_email.py	0% <0%> (ø)	⬆️
app/app/urls.py	90.38% <0%> (+0.8%)	⬆️
app/dashboard/views.py	15% <0%> (+2.1%)	⬆️
app/dashboard/models.py	55.69% <0%> (+5.23%)	⬆️
app/dashboard/utils.py	47.99% <0%> (+6.51%)	⬆️

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